Quantitative Aptitude - Arithmetic Ability Questions

In a college, the ratio of boys to girls is 29 : 33 respectively. When 142 more boys join the college, this ratio becomes 21 :19. How many more girls should join the college to make the number of boys and girls equal?

A right circular cylinder is formed. A = sum of total surface area and the area of the two bases. B = the curved surface area of this cylinder. If A : B = 3 : 2 and the volume of cylinder is 4312 cm3, then what is the sum of area (in cm2) of the two bases of this cylinder?

Which of the following is a reductible fraction?

Choose the odd word/letters/number/number pair from the given alternatives.

The value of  (0.3)2/100=?

2cos[(C+D)/2]sin[(C-D)/2] is equal to

∆DEF is right angled at E. If cosD = 5/13, then what is the value of tanF?

When a discount of Rs. 42 is allowed on the marked price of an article, the new reduced price becomes 86% of the original price. Find the marked price.